Here is an interesting view of what is a computer. The computing landscape has changed a lot in the recent years. Now, it is more of an all-in-one device that can follow us anywhere but who knows what it's going to be in the future. Here is an interesting video on the subject.
By the way, he did miss a few devices worth checking: Surface Book 2 and surface laptop. I'm sure there are many more but we love these ones here at YMtech.